CN114630572B

CN114630572B - Fairing device with quick-release structure

Info

Publication number: CN114630572B
Application number: CN202210514559.0A
Authority: CN
Inventors: 江浪; 严国锋; 张敏行; 饶云江
Original assignee: Zhejiang Lab
Current assignee: Zhejiang Lab
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-10-21
Anticipated expiration: 2042-05-12
Also published as: CN114630572A

Abstract

The invention discloses a fairing device with a quick-release structure, which comprises: the framework is used for loading the optical fiber sensor linear array and comprises a plurality of support rod assemblies, a connecting ring assembly and a universal joint assembly, the support rod assemblies are detachably connected through the connecting ring assembly, and the support rod assemblies on two sides of the bent part of the optical fiber sensor linear array are rotatably connected through the universal joint assembly, so that the integral optical fiber sensor linear array is covered; and the rectification film layer is coated on the outer surface of the framework and used for reducing the influence of flow noise on the optical fiber sensing linear array. Through the arrangement of the connecting ring assembly, the universal joint assembly and the supporting rod assembly, rapid manual installation or disassembly can be realized, direction adjustment is carried out along a required space, the length and direction changing requirements of linear array laying are met, the laying efficiency is improved, and the labor intensity is reduced; through setting up the outside of fairing skeleton that the fairing film layer covers, can effectively reduce the adverse interference of ocean background stream noise in to optic fibre hydrophone sensor test, promote the degree of accuracy of test.

Description

Fairing device with quick-release structure

Technical Field

The application relates to the technical field of underwater detection mechanical devices, in particular to a fairing device of a quick-release structure.

Background

The optical fiber sensing hydrophone is an underwater acoustic signal sensor established on the basis of optical fiber and photoelectron technology, is mainly used for researching acoustic propagation characteristics, noise, reverberation, target acoustic characteristics and the like in a marine acoustic environment, and is an essential component in a marine information perception system. Particularly, when the long-distance large-range ocean sensing and communication requirements are met, the long-distance optical fiber sensor linear array needs to be buried and laid on the seabed by means of professional equipment, and therefore the purposes of protecting optical cables, controlling laying tracks and reducing ocean current noise are achieved. For the development of the optical fiber sensor linear array, lake test and sea test verification is often required, and scientific research personnel always need a rapid distribution test mode in consideration of extremely high embedding and laying cost and complex distribution and recovery process of the sample linear array. How to realize the rapid and accurate arrangement and recovery of the linear arrays on the premise of not being embedded in the seabed, reduce the influence of flow noise as much as possible, ensure high-performance testing, and is an important problem to be solved urgently and a long-term challenge to be faced in the development process.

Disclosure of Invention

The fairing device of quick-release structure is provided to the purpose to prior art, can effectively reduce the adverse effect of flowing noise to the test, satisfies the requirement of long-distance linear and rapid flexible arrangement and disassembly, effectively reduces the labor intensity through the quick-release structure, and promotes the accuracy of arrangement operation efficiency and test.

According to a first aspect of embodiments of the present application, there is provided a cowling device of a quick release structure, including:

the framework is used for loading the optical fiber sensor linear array and comprises a plurality of support rod assemblies, a connecting ring assembly and a universal joint assembly, the support rod assemblies are detachably connected through the connecting ring assembly, and the support rod assemblies on two sides of the bent part of the optical fiber sensor linear array are rotatably connected through the universal joint assembly, so that the integral optical fiber sensor linear array is covered; and

the rectification film layer is coated on the outer surface of the framework and used for reducing the influence of flow noise on the optical fiber sensing linear array.

Further, the connection ring assembly includes:

the hinge joint comprises a concave connecting ring, a first connecting rod and a second connecting rod, wherein the concave connecting ring is provided with a concave first clamping groove, the first clamping groove is symmetrically arranged along the axial central plane of the concave connecting ring, and first hinge through holes are symmetrically distributed on two end faces of the first clamping groove;

the male connecting ring is provided with first plugs which are symmetrically distributed and provided with second hinged through holes, and when the female connecting ring is plugged with the male connecting ring, the first hinged through holes and the second hinged through holes are positioned on the same axis;

and the first quick-release pin enables the concave connecting ring and the convex connecting ring to be detachably connected by penetrating through the first hinged through hole and the second hinged through hole.

Further, the gimbal assembly includes:

the concave universal joint disc is provided with a concave second clamping groove, the second clamping groove is symmetrically arranged along the axial central plane of the concave universal joint disc, and third hinging through holes are symmetrically distributed on two end faces of the second clamping groove;

the convex universal joint disc is provided with second plugs which are symmetrically distributed and provided with fourth hinging through holes, and when the concave universal joint disc and the convex universal joint disc are spliced, the third hinging through holes and the fourth hinging through holes are positioned on the same axis;

a second quick release pin that detachably connects the female and male gimbal plates by passing through the third and fourth hinge through-holes;

and one end of each revolute pair is arranged on the outer circumferential surface of the concave universal joint disc or the convex universal joint disc, and the other end of each revolute pair is arranged on the outer circumferential surface of the connecting ring component and used for enabling the optical fiber sensor linear array to carry out required spatial displacement at the bending position.

Further, the revolute pair includes:

a bushing, one end of which is mounted on a circumferential outer surface of the female or male gimbal plate;

the connecting plate is provided with through holes at two ends and sleeved on the bushing through the through holes;

and the bolt is installed on the circumferential outer surface of the concave joint disk or the convex joint disk through the obtained bushing, so that the connecting plate can freely rotate on the outer surface of the bushing around the bolt axis.

Further, the bracing piece subassembly includes a plurality of bracing pieces, the bracing piece includes bracing piece main part and quick-release connector, the both ends of bracing piece main part all are provided with the cavity, hole jump ring, uide bushing and elastic component are installed to the inner wall of cavity from inside to outside symmetry, uide bushing and elastic component are used for doing the quick-release connector provides radial support, the hole jump ring is used for encapsulating uide bushing and elastic component in the inner chamber of bracing piece main part to the axial force that bears the elastic component, the one end of quick-release connector is fixed on the link assembly, the other end stretches into the cavity coaxial straight line slip or rotary motion in the coaxial hole of uide bushing and spring holder.

Further, the support rod assembly comprises eight support rods, and the support rods are arranged in parallel in a staggered mode at intervals of 45 degrees.

Furthermore, the connecting ring assembly, the universal joint assembly and the support rod assembly are all made of aluminum alloy materials which are subjected to solid solution and aging process treatment and hard anodizing treatment on the surfaces.

Further, the rectification film layer is fixed on the circumferential part of the connecting ring component or the universal joint component.

Furthermore, the rectification film layer is a yarn film made of elastic polymer materials.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

according to the embodiment, the quick manual installation or disassembly can be realized through the arrangement of the connecting ring assembly, the universal joint assembly and the supporting rod assembly, the direction adjustment is carried out along the required space, the length and the direction change requirements of linear array arrangement are met, the arrangement efficiency is improved, and the labor intensity is reduced; through setting up the outside of fairing skeleton that the fairing film layer covers, can effectively reduce the adverse interference of ocean background stream noise in to optic fibre hydrophone sensor test, promote the degree of accuracy of test.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a schematic illustration of a quick release fairing apparatus according to an exemplary embodiment.

FIG. 2 is an assembled schematic view of a quick release fairing assembly according to an exemplary embodiment.

Figure 3 is an exploded view of a connecting ring assembly shown in accordance with an exemplary embodiment.

Fig. 4 is a front view of a connecting ring assembly shown according to an exemplary embodiment.

Figure 5 is a cross-sectional view of the cross-shaped U-shaped stepped channel portion of the connector ring assembly shown in accordance with one exemplary embodiment.

FIG. 6 is an exploded view of a gimbal assembly shown in accordance with an exemplary embodiment.

Figure 7 is a schematic view illustrating an assembled relationship of the support rod assembly and the connecting ring assembly in an alternating parallel arrangement in accordance with an exemplary embodiment.

FIG. 8 is a front view of a support rod assembly shown according to an exemplary embodiment.

Fig. 9 is a schematic illustration of the quick disconnect coupling head of the strut assembly shown in an uninstalled condition in a criss-cross U-shaped stepped channel of the connector ring assembly, according to an exemplary embodiment.

Fig. 10 is a schematic view of the quick disconnect coupling head of the strut assembly shown in accordance with an exemplary embodiment in an installed position after it has been linearly stretched and rotated 90 deg. into position in the criss-cross U-shaped stepped channel of the attachment ring assembly.

Reference numerals:

100. a connecting ring assembly; 110. a concave connecting ring; 111. a first card slot; 112. a first reamed through hole; 120. A convex connecting ring; 121. A first plug; 122. a second reamed through hole; 130. a first quick release pin; 200. a support rod assembly; 210. a support bar; 211. a support rod main body; 212. a cavity; 213. an inner hole clamp spring; 214. a guide sleeve; 215. an elastic member; 216. an elastic member mounting base; 217. a quick-release connector; 300. A gimbal assembly; 310. a concave gimbal plate; 311. a second card slot; 312. a third hinged through hole; 320. a convex gimbal plate; 321. a second plug; 322. fourthly, reaming a through hole; 330. a second quick release pin; 340. a revolute pair; 341. a connecting plate; 342. a bushing; 343. a bolt; 400. an optical fiber sensor line array; 500. a rectifying film layer; 600. an eye bolt.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if," as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination," depending on the context.

Fig. 1 is a schematic structural diagram of a fairing device of a quick-release structure according to an exemplary embodiment, fig. 2 is an assembly schematic diagram of a fairing device of a quick-release structure according to an exemplary embodiment, as shown in fig. 1 and fig. 2, the device may include a skeleton for loading an optical fiber sensor linear array 400 and a fairing film layer 500 coated on an outer surface of the skeleton, the skeleton includes a plurality of support rod assemblies 200, a connecting ring assembly 100 and a gimbal assembly 300, the support rod assemblies 200 are detachably connected through the connecting ring assembly 100, and the support rod assemblies 200 on both sides of a bend of the optical fiber sensor linear array 400 are rotatably connected through the gimbal assembly 300, so as to achieve coverage of the entire optical fiber sensor linear array 400; the rectification film layer 500 is used for reducing the influence of flow noise on the optical fiber sensor linear array 400.

According to the embodiment, the connecting ring assembly 100, the universal joint assembly 300 and the support rod assembly 200 are arranged, so that rapid manual installation or disassembly can be realized, direction adjustment can be performed along a required space, the length and direction change requirements of linear array arrangement are met, the arrangement efficiency is improved, and the labor intensity is reduced; through setting up the outside that fairing 500 covers at the radome fairing skeleton, can effectively reduce the adverse interference of ocean background stream noise in to optic fibre hydrophone sensor test, promote the degree of accuracy of test.

In a specific implementation, the number and the length of the support rod assemblies 200 can be selected according to the length of the optical fiber sensor linear array 400, and the connection ring assemblies 100 are arranged between every two support rod assemblies 200; according to the actual situation, the universal joint assembly 300 is adopted at the bent position of the optical fiber sensor linear array 400, and the universal joint assembly 300 is arranged between two groups of independent connecting ring assemblies 100.

Specifically, as shown in fig. 3, the connecting ring assembly 100 may include: the quick-release connector comprises a female connecting ring 110, a male connecting ring 120 and a first quick-release pin 130, wherein the female connecting ring 110 is provided with a first concave clamping groove 111, the first concave clamping groove 111 is symmetrically arranged along the axial central plane of the female connecting ring 110, and first hinge through holes 112 are symmetrically distributed on two end faces of the first concave clamping groove 111; the male connecting ring 120 is provided with first plugs 121 with second hinged through holes 122 which are symmetrically distributed, and when the female connecting ring 110 is plugged into the male connecting ring 120, the first hinged through holes 112 and the second hinged through holes 122 are on the same axis; the first quick release pin 130 allows the female coupling ring 110 and the male coupling ring 120 to be detachably coupled by passing through the first hinge through hole 112 and the second hinge through hole 122.

In a specific implementation, as shown in fig. 4 and 5, the connection ring assembly 100 is composed of a coaxial embedded structure of the female connection ring 110 and the male connection ring 120, two planes are symmetrically arranged at the circumferential positions of the female connection ring 110 and the male connection ring 120, a threaded hole is formed in the center of each plane, and the center line of the threaded hole is orthogonal to the center of the ring; the planes on the two axial sides of the concave connecting ring 110 and the convex connecting ring 120 are respectively and uniformly provided with a cross U-shaped stepped groove, the center of the cross U-shaped stepped groove is coaxial with the center of the circular counter bore and is used for quick assembly and disassembly and withdrawal of the quick-disassembly connector 217, the concave connecting ring 110 and the convex connecting ring 120 are respectively provided with a first hinged through hole 112 and a second hinged through hole 122 which are symmetrically distributed, and when a plug of the convex connecting ring 120 is embedded into the first clamping groove 111 of the concave connecting ring 110, the first quick-disassembly pin 130 is inserted for radial limiting.

In an embodiment, the slot width of the first slot 111 and the nominal thickness of the first plug 121 are 8mm, the fit clearance between the first slot 111 and the first plug 121 is 0.1mm, the nominal dimensions of the first hinged through hole 112 and the second hinged through hole 122 are both 6mm, and the first quick release pin 130 with a nominal diameter of 6mm is inserted into the first hinged through hole 112 and the second hinged through hole 122 in sequence for fastening.

Specifically, through the clearance fit between the first card slot 111 and the first plug 121, the connection ring assembly 100 can be conveniently detached from any position of the linear array in the radial direction of the linear array, and meanwhile, the loaded area of the surface contact between the first card slot 111 and the first plug 121 can better bear the axial force transmitted by the support rod assembly 200, so that the requirements on strength and rigidity are met. Through the fastening fit of the first quick release pin 130 and the first and second hinged through

holes

112 and 122, the radial limitation of the concave and convex connecting

rings

110 and 120 is realized, and the fastening fit can bear a certain radial shearing force and is more convenient to disassemble and assemble compared with the bolt connection.

Specifically, as shown in fig. 6, the gimbal assembly 300 may include: the quick-release joint comprises a concave joint disc 310, a convex joint disc 320, a second quick-release pin 330 and at least two groups of revolute pairs 340, wherein the concave joint disc 310 is provided with a concave second clamping groove 311, the second clamping groove 311 is symmetrically arranged along the axial central plane of the concave joint disc 310, and third hinging through holes 312 are symmetrically distributed on two end faces of the second clamping groove 311; the male universal joint disc 320 is provided with plugs which are symmetrically distributed and provided with fourth hinged through holes 322, and when the female universal joint disc 310 is plugged into the male universal joint disc 320, the third hinged through holes 312 and the fourth hinged through holes 322 are on the same axis; the second quick release pin 330 allows the female and male joint disks 310 and 320 to be detachably coupled by passing through the third and fourth hinged through-holes 312 and 322; one end of the revolute pair 340 is installed on the circumferential outer surface of the concave joint disc 310 or the convex joint disc 320, and the other end of the revolute pair is installed on the circumferential outer surface of the connection ring assembly 100, so that the optical fiber sensor line array 400 can perform required spatial displacement at a bending position.

In a specific implementation, two planes are symmetrically arranged on the circumferential portions of the female and male universal

joint discs

310 and 320, the two planes are orthogonal, a threaded hole is formed in the center of each plane, and the center line of the threaded hole is orthogonal to the annular center of the universal joint assembly 300.

In an embodiment, the width of the second slot 311 and the thickness of the second plug 321 are 10mm, the outer profile of the second plug 321 is arc-shaped, the center line of the arc is coaxial with the third hinged through hole 312, the fit clearance between the second slot 311 and the second plug 321 is 0.1mm, the nominal dimensions of the third hinged through hole 312 and the fourth hinged through hole 322 are 6mm, and the first quick release pin 130 with the nominal diameter of 6mm is inserted into the third hinged through hole 312 and the fourth hinged through hole 322 in sequence for fastening.

Specifically, through the clearance fit between the second card slot 311 and the second plug 321, the universal joint assembly 300 can be conveniently disassembled and assembled at any position of the linear array along the radial direction of the linear array, and meanwhile, the loaded area in surface contact between the second card slot 311 and the second plug 321 can well bear the axial load transmitted by the revolute pair 340, the support rod assembly 200 and other elements, so that the requirements on strength and rigidity during long-distance linear array arrangement and use are met.

Specifically, one of the revolute pairs 340 may include a connection plate 341, a bushing 342, a bolt 343, and one end of the bushing 342 is mounted on the circumferential outer surface of the female or male

joint disk

310 or 320; through holes are formed in two ends of the connecting plate 341, and the connecting plate 341 is sleeved on the bushing 342 through the through holes; the bolt 343 is fitted through the bushing 342 on the circumferential outer surface of the female or male

joint disk

310 or 320 so that the connection plate 341 is freely rotatable on the outer surface of the bushing 342 about the axis of the bolt 343.

In a specific implementation, each universal joint assembly 300 may include 2 sets or 4 revolute pairs 340, and two revolute pairs 340, which keep the connection plate 341 in a parallel state during movement, on one universal joint assembly 300, constitute 1 set of revolute pairs 340. The connecting plates 341 of each revolute pair 340 are arranged at intervals of 90 ° in the circumferential direction of the circumferential outer surface of the female or male universal

joint disk

310 or 320, and the axial center of the bush 342 is mounted in coincidence with the axial center of the threaded hole of the circumferential outer surface of the female or male universal

joint disk

310 or 320, and each connecting plate 341 is freely rotatable on the outer surface of the bush 342 about the axis of the bolt 343, so that the two sets of revolute pairs 340 are spatially displaced by ± 90 ° in the rotational freedom directions of the two mutually orthogonal planes.

Specifically, the arrangement mode of the rotating pair 340 enables the stress of the connecting plate 341 to be uniform, realizes independent direction-changing adjustment on two orthogonal plane dimensions, and can effectively avoid the movement interference of the connecting plate 341 and other elements in the rotating process by being arranged on the outer surface of the circumference, so as to realize the rotating angle in the largest range.

In an embodiment, the bolt 343 is an inner hexagon bolt M8, and may be replaced by a hexagon head bolt of a corresponding specification or other specifications, other forms of fasteners capable of achieving the function of the revolute pair 340, and the design is a conventional design in the art and will not be described herein again.

In implementations, a different number of connection ring assemblies 100 may be provided between the gimbal assemblies 300. Specifically, 1, 2 or more sets of connecting rings and support rod assemblies 200 may be provided between the universal joint assemblies 300 according to the required length, for example, the connecting rings and the support rod assemblies 200 may be added between the universal joint assemblies 300 in fig. 1, and the universal joint assemblies 300 are installed to perform direction changing adjustment after reaching a longer length.

In specific implementation, the connecting ring assembly 100 and the universal joint assembly 300 both adopt embedded structural designs, can bear large radial load and torsional load, and can be conveniently disassembled and assembled along the radial direction of the optical fiber sensor linear array 400 through radial limiting of the quick release pins; the universal joint assembly 300 is connected with the connecting ring assembly 100 through connecting plates 341 which are arranged in a bidirectional orthogonal staggered manner, the connecting plates 341 and the inner bushing 342 rotate to realize the universal joint space adjusting function and meet the arrangement requirement of linear array bending and turning, wherein the connecting plates 341 are arranged at intervals of 90 degrees in the circumferential direction, and the extending direction of the connecting plates 341 presents a bidirectional orthogonal staggered arrangement of positive, negative, positive and negative along the axial direction of the circumference.

Specifically, as shown in fig. 7 and 8, the support rod assembly 200 can include a plurality of support rods 210, the support rods 210 include support rod main part 211 and quick-release connector 217, the both ends of support rod main part 211 all are provided with cavity 212, hole jump ring 213, uide bushing 214 and elastic component 215 are installed to the inner wall of cavity 212 from inside to outside symmetry, uide bushing 214 and elastic component 215 are used for doing quick-release connector 217 provides radial support, hole jump ring 213 is used for encapsulating uide bushing 214 and elastic component 215 in the inner chamber of support rod main part 211 to bearing the axial force of elastic component 215, the one end of quick-release connector 217 is fixed on connecting ring assembly 100, and the other end stretches into cavity 212 coaxial rectilinear sliding or rotary motion in the coaxial hole of uide bushing 214 and spring holder.

In an embodiment, as shown in fig. 8, the support rod assembly 200 may include eight support rods 210, the support rods 210 are arranged in parallel and staggered at intervals of 45 °, so as to ensure that the overall stiffness of the fairing meets the requirement of the deployment operation, and the size and length of the support rods 210 may be selected according to the specific linear array condition. As shown in fig. 7, one end of the eight support rods 210 may be assembled in the counterbore of the connecting ring assembly 100 to form an assembly unit, the assembly relationship of the eight support rods 210 is that the left and right sides are assembled in parallel and staggered, the support rods 210 on each side are spaced by 90 ° from each other, and similarly, the other ends of the eight support rods 210 may be assembled in the counterbore of another connecting ring assembly 100, thereby realizing the end-to-end connection of the support rod assemblies.

In specific implementation, as shown in fig. 7, 9 and 10, the supporting rod 210 includes a double-knurled-plane quick-release connector 217 and an elastic element 215, which are symmetrically arranged at two ends, the quick-release connector 217 and the elastic element 215 are located in cavities 212 at two ends of the supporting rod main body 211, the elastic element 215 is coaxially located by an elastic element mounting seat 216, and the quick-release connector 217 coaxially slides or rotates in coaxial inner holes of the guide sleeve 214 and the spring seat.

In specific implementation, an elastic piece 215 is installed at the shaft part of the quick release connector 217 in the supporting rod 210, the shaft part of the quick release connector 217 passes through the inner holes of the guide sleeve 214 and the elastic piece installation seat 216, the inner holes of the guide sleeve 214 and the elastic piece installation seat 216 radially support the shaft part of the quick release connector 217, and an inner hole snap spring 213 installed in the inner hole bears the axial force of the elastic piece 215 and encapsulates the guide sleeve 214, the elastic piece 215 and the elastic piece installation seat 216 in the cavity 212 of the supporting rod 210; the inner hole of the guide sleeve 214 is in clearance fit with the shaft body part of the quick-release connector 217, the outer cylindrical surface is in clearance fit with the inner surface of the cavity 212 of the supporting rod 210, and the elastic piece mounting seat 216 is in conical surface contact with the quick-release connector 217, so that the quick-release connector 217 can stretch and rotate in the cavity 212 of the supporting rod 210. As shown in fig. 9, the quick-release connector 217 does not fall into the step part of the U-shaped step groove, and belongs to a detached state; as shown in fig. 10, the pulled and 90 ° or 180 ° rotated quick-release connector 217 can fall on different step positions on the crisscross U-shaped step groove inside the connector ring assembly 100, which belongs to the installation state.

Specifically, quick-release connector 217 can fall into the different ladder positions in cross U type groove after being stretched and rotary motion, and will be spacing by U type groove after falling the position, has avoided adopting threaded connection or other mechanical fastening mode for this device's installation and dismantlement are more high-efficient convenient.

Specifically, the connecting ring assembly 100, the universal joint assembly 300 and the support rod assembly 200 are all made of aluminum alloy materials which are subjected to solid solution and aging process treatment and hard anodizing treatment on the surfaces.

In one embodiment, the connecting ring assembly 100, the support rod assembly 200, and the universal joint assembly 300 may be made of aluminum alloy, and the surface thereof is hard anodized, and the bolts 343, the bushings 342, the elastic members 215, the quick release connectors 217, and the like may be treated by a solid solution and failure process using 1Cr18Ni9Ti stainless steel, so as to meet the requirements of corrosion resistance and strength.

Specifically, the fairing film 500 can be fixed to the connection ring assembly 100 or the circumferential portion of the gimbal assembly 300 through the suspension bolts 600, and other screws which are convenient to be screwed by hand and have a certain plane contact area can be used to facilitate the fixing of the fairing film 500, such as a butterfly head screw, a quincunx hand screw, a platform knurling hand screw, and the like.

Specifically, the rectification film layer 500 is a yarn film made of an elastic polymer material. In an embodiment, the material of the rectifying film layer 500 may be a polyester fiber material, or may be a film material such as polyacrylonitrile fiber, nylon, polyurethane fiber, and the like.

As shown in fig. 1 to 10, a fairing device of a quick release structure provided in an embodiment of the present application has a structure that:

the female connecting ring 110 provided with a first clamping groove 111 and the male connecting ring 120 provided with a first plug pin are embedded and inserted, a first quick-release pin 130 penetrates through the female connecting ring 110, a first hinging through hole 112 and a second hinging through hole 122 of the male connecting ring 120 to form a connecting ring assembly 100, the connecting ring assembly 100 is in a ring shape, cross U-shaped grooves and counter bores are arranged on planes on two sides of the connecting ring assembly 100, the cross U-shaped grooves and the counter bores are coaxial, two planes are symmetrically arranged on the circumferential parts of the female connecting ring 110 and the male connecting ring 120, threaded holes are formed in the centers of the planes, and the center lines of the threaded holes are orthogonal to the center of the rings; the supporting rod assembly 200 is arranged between the connecting ring assemblies 100 along a linear array, the supporting rod assembly 200 can realize the stretching and rotating operation of the quick-release connector 217 through elements such as the quick-release connector 217, the inner hole clamp spring 213, the guide sleeve 214, the elastic piece 215, the elastic piece mounting seat 216 and the like which are arranged in the supporting rod 210, two ends of the supporting rod main body 211 are arranged in counter bores arranged on the planes of two sides of the connecting ring assemblies 100, and the quick-release connectors 217 are arranged in cross U-shaped grooves on two sides of the connecting ring assemblies 100; a concave universal joint disk 310 provided with a second clamping groove 311 and a convex universal joint disk 320 provided with a second bolt are embedded and inserted, a second quick-release pin 330 is adopted to penetrate through the concave universal joint disk 310, a third hinging through hole 312 and a fourth hinging through hole 322 of the convex universal joint disk 320, the outline of the assembled universal joint component 300 is in a circular ring shape, the circumferential parts of the concave universal joint disk 310 and the convex universal joint disk 320 are symmetrically provided with two planes, the centers of the planes are provided with threaded holes, the center lines of the threaded holes are orthogonal to the circular center, the circumferential part of the universal joint component 300 is provided with a rotating pair 340 consisting of a connecting plate 341, a bushing 342 and a bolt 343, the connecting plate 341 is arranged along the circumferential direction of the circumferential outer surface of the concave universal joint disk 310 or the convex universal joint disk 320 at an interval of 90 degrees, one end of the bushing 342 is arranged on the circumferential outer surface of the concave universal joint disk 310 or the convex universal joint disk 320, and the axis of the bushing 342 is superposed with the axis of the threaded holes of the plane on the circumferential outer surface of the concave universal joint disk 310 or the convex universal joint disk 320; through holes are formed in two ends of the connecting plate 341, and the connecting plate 341 is sleeved on the bushing 342 through the through holes; the bolt 343 is fitted through the bushing 342 on the circumferential outer surface of the female or male joint disk 310 or 320 so that the connection plate 341 is freely rotated on the outer surface of the bushing 342 about the axis of the bolt 343 to be spatially displaced by ± 90 ° in the rotational degree of freedom directions of two mutually orthogonal planes. The connecting ring assembly 100, the universal joint assembly 300 and the support rod assemblies 200 together form a fairing skeleton, the optical fiber sensor linear arrays 400 penetrate through the connecting ring assembly 100, the centers of the rings of the universal joint assembly 300 and the plurality of groups of support rod assemblies 200, the exterior of the skeleton is coated with a rectification film layer 500, and the rectification film layer 500 is fixed on the circumferential part of the connecting ring assembly 100 or the universal joint assembly 300 in a certain fastening mode.

The working principle of the fairing device with the quick-release structure provided by the embodiment of the application is as follows:

a plurality of connecting ring assemblies 100, universal joint assemblies 300 and support rod assemblies 200 are adopted to form a fairing skeleton, and a fairing film layer 500 is coated outside; every two connecting ring assemblies 100 are uniformly connected by adopting a plurality of groups of supporting rod assemblies 200, and at the bending part of the sensor line array, the connecting ring assemblies 100 are connected by adopting a universal joint assembly 300 to realize space direction change; the first plug 121 and the first card slot 111 of the connecting ring assembly 100, and the second plug 321 and the second card slot 311 of the universal joint assembly 300 realize the dismounting and mounting in the radial direction at any position of the linear array; the quick assembly and disassembly of the supporting rod assembly 200 are realized through the matching of the quick disassembly connector 217 of the supporting rod assembly 200 and the cross U-shaped groove arranged on the connecting ring assembly 100; according to the length of the optical fiber sensor linear array 400, the components are assembled in a circulating mode to achieve integral linear array coverage, and accuracy of an offshore test of the optical fiber sensor linear array 400 is guaranteed.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the present disclosure. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof.

Claims

1. A fairing device of quick release construction, comprising:

the framework is used for loading the optical fiber sensor linear array and comprises a plurality of support rod assemblies, a connecting ring assembly and a universal joint assembly, wherein the support rod assemblies are detachably connected through the connecting ring assembly, and the support rod assemblies on two sides of the bent part of the optical fiber sensor linear array are rotatably connected through the universal joint assembly, so that the integral optical fiber sensor linear array is covered; and

the rectification film layer is coated on the outer surface of the framework and used for reducing the influence of flow noise on the optical fiber sensor linear array;

wherein the gimbal assembly comprises:

a second quick release pin that detachably connects the female and male gimbal disks by passing through the third and fourth hinged through-holes;

and one end of each revolute pair is arranged on the circumferential outer surface of the concave universal joint disc or the convex universal joint disc, and the other end of each revolute pair is arranged on the circumferential outer surface of the connecting ring assembly, so that the optical fiber sensor linear array can perform required spatial displacement at a bending position.

2. The apparatus of claim 1, wherein the connecting ring assembly comprises:

the male connecting ring is provided with first plugs which are symmetrically distributed and provided with second hinged through holes, and when the female connecting ring is spliced with the male connecting ring, the first hinged through holes and the second hinged through holes are positioned on the same axis;

a first quick release pin detachably connecting the female connection ring and the male connection ring by passing through the first and second hinge through holes.

3. The apparatus of claim 1, wherein the revolute pair comprises:

4. The device of claim 1, wherein the support rod assembly comprises a plurality of support rods, each support rod comprises a support rod main body and a quick-release connector, cavities are arranged at two ends of each support rod main body, inner hole clamp springs, guide sleeves and elastic pieces are symmetrically arranged on the inner wall of each cavity from inside to outside, the guide sleeves and the elastic pieces are used for providing radial support for the quick-release connectors, the inner hole clamp springs are used for bearing axial force of the elastic pieces and packaging the guide sleeves and the elastic pieces in inner cavities of the support rod main bodies, one ends of the quick-release connectors are fixed on the connecting ring assemblies, and the other ends of the quick-release connectors extend into the cavities.

5. The apparatus of claim 1, wherein said support bar assembly comprises eight support bars, said support bars being arranged in parallel staggered at 45 ° intervals.

6. The device as claimed in claim 1, wherein the connecting ring assembly, the universal joint assembly and the support rod assembly are all made of aluminum alloy materials which are subjected to solution treatment and aging treatment, and the surfaces of the connecting ring assembly, the universal joint assembly and the support rod assembly are subjected to hard anodizing treatment.

7. The device of claim 1, wherein the fairing film is secured to a circumferential portion of the connecting ring assembly or the gimbal assembly.

8. The device of claim 1, wherein the fairing film layer is a veil of elastic polymer-based material.